package com.itheima.question.controller;

import com.itheima.Result;
import com.itheima.common.contants.RedisPicConstants;
import com.itheima.question.config.FastDFSClientUtil;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;

/**
 * @ClassName FileUploadController
 * @Description TODO
 * @Author Mister-Lu
 * @Date 2021/12/21
 **/
@RestController
@RequestMapping("/questoin")
public class FileUploadController {
    @Autowired
    FastDFSClientUtil fastDFSClientUtil;

    @Autowired
    private RedisTemplate redisTemplate;

    @Value("${fileServerUrl}")
    private String fileServerUrl;

    @PostMapping("/upload")
    @ApiOperation("上传图片文件")
    public Result upload(MultipartFile file){
        try {
            //判断文件是否存在
            if(file == null){
                throw new RuntimeException("文件不存在");
            }
            String fileId = fastDFSClientUtil.uploadFile(file);
            redisTemplate.opsForSet().add(RedisPicConstants.ALL_PIC,fileId);
            return new Result(true,"上传图片成功",fileServerUrl+fileId);
        } catch (IOException e) {
            e.printStackTrace();
        }

        return new Result(false,"上传图片失败",null);

    }
}
